<!DOCTYPE html>
<html>

<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Document</title>
  <script src="../js/vue.js"></script>
</head>

<body>
  <div id="app">
    <!-- 选择框 -->
    <select v-model="orderStatus" style="height:30px">
      <option :value="0">未付款</option>
      <option :value="1">已付款</option>
      <option :value="2">已发货</option>
      <option :value="3">已签收</option>
    </select>
    <h1>orderStatus:{{orderStatus}}</h1>
  </div>
  <script>
    var vm = new Vue({
      el: "#app",
      data: {
        //0:未付款  1:已付款  2:已发货 3:已签收
        orderStatus: 1,
      },
    });
  </script>
</body>

</html>